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Investments in the Social Safety Net Should Outlast Crises. Am J Public Health. 2025 Nov; 115(11):1765-1766. Roby DH. PMID: 41061213; PMCID: PMC12510112.
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Public Benefit Avoidance And Safety Concerns Among Mixed-Status Latino Families In California, 2021-22. Health Aff (Millwood). 2025 Oct; 44(10):1307-1316. Barajas CB, De Trinidad Young ME, Bustamante AV, Langellier BA, Roby DH, Stimpson JP, Ponce NA, Kietzman K, Eberth JM, Stehr M, Ortega AN. PMID: 41052391.
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Organizational Perspectives on the Public Charge Rule and Health Care Access for Latino Immigrants in California. Health Serv Res. 2026 Apr; 61(2):e70032. Barajas CB, Young MT, Bustamante AV, Padilla-Frausto I, Garcia RE, Langellier BA, Roby DH, Stimpson JP, Ponce NA, Eberth JM, Stehr M, Ortega AN. PMID: 40858507; PMCID: PMC12932024.
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Can Adverse Childhood Experiences Screening Promote Health Care Utilization? J Gen Intern Med. 2026 Feb; 41(3):775-779. Alcalá HE, Buchanan ZV, Chu J, Herbert H, Roby DH, Sharif MZ. PMID: 40646334; PMCID: PMC12961072.
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Equity in Health Care Access, Utilization, and Experiences for Latino Children in California by Parental Citizenship and Household Language, 2021-22. Acad Pediatr. 2025 08; 25(6):102856. Barajas CB, Roby DH, Stimpson JP, Ponce NA, Lazalde GE, Young MT, Kietzman K, Vargas Bustamante A, Rivera-González AC, Langellier BA, Eberth JM, Stehr M, Ortega AN. PMID: 40412762.
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Does Early Life Adversity Limit Delivery of High-Quality Health Care Among Children? Child Care Health Dev. 2025; 51(3):e70081. Alcalá HE, Buchanan ZV, Chu J, Roby DH, Sharif MZ. PMID: 40219671; PMCID: PMC11992549.
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The American Rescue Plan Act and Access to Health Care for Latinos According to Citizenship Status. Med Care. 2025 Apr 01; 63(4):283-292. Lopez Mercado D, Mortensen K, Rivera-González AC, Stimpson JP, Vargas Bustamante A, Roby DH, Chen J, Barajas CB, Ortega AN. PMID: 39739573.
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Health Care Access and Utilization and the Latino Health Paradox. Med Care. 2024 Nov 01; 62(11):706-715. Barajas CB, Rivera-González AC, Vargas Bustamante A, Langellier BA, Lopez Mercado D, Ponce NA, Roby DH, Stimpson JP, De Trinidad Young ME, Ortega AN. PMID: 38598667.
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Improving health equity through health care systems research. Health Serv Res. 2023 12; 58 Suppl 3:289-299. Chisolm DJ, Dugan JA, Figueroa JF, Lane-Fall MB, Roby DH, Rodriguez HP, Ortega AN. PMID: 38015859; PMCID: PMC10684038.
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Undocumented Latino Immigrants and the Latino Health Paradox. Am J Prev Med. 2023 08; 65(2):296-306. Lopez Mercado D, Rivera-González AC, Stimpson JP, Langellier BA, Bustamante AV, Young MT, Ponce NA, Barajas CB, Roby DH, Ortega AN. PMID: 36890084; PMCID: PMC10363195.
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The Relationship Between Peripheral Arterial Disease Severity and Socioeconomic Status. Ann Vasc Surg. 2023 May; 92:33-41. Hughes K, Olufajo OA, White K, Roby DH, Fryer CS, Wright JL, Sehgal NJ. PMID: 36736719.
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Effects of the Children's Health Insurance Reauthorization Act on immigrant children's healthcare access. Health Serv Res. 2022 12; 57 Suppl 2:315-325. Chu J, Roby DH, Boudreaux MH. PMID: 36053731; PMCID: PMC9660422.
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The impact of Medicaid funding structures on inequities in health care access for Latinos in New York, Florida, and Puerto Rico. Health Serv Res. 2022 12; 57 Suppl 2:172-182. Rivera-González AC, Roby DH, Stimpson JP, Bustamante AV, Purtle J, Bellamy SL, Ortega AN. PMID: 35861151; PMCID: PMC9660415.
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Estimating a Model for Mental Healthcare Utilization Using Subjective Unmet Need and Psychological Distress Measures. J Behav Health Serv Res. 2022 10; 49(4):500-512. Toussaint E, Roby D, Yue D, Franzini L, Sehgal N. PMID: 35534693.
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Relationships between enabling services use and access to care among adults with cardiometabolic risk factors: findings from the 2014 National Health Center Patient Survey. BMC Health Serv Res. 2022 Mar 14; 22(1):334. Martinez GS, White K, Yue D, Franzini L, Fryer CS, Sinaii N, Roby DH. PMID: 35287668; PMCID: PMC8922912.
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Changes in Coverage and Cost-Related Delays in Care for Latino Individuals After Elimination of the Affordable Care Act's Individual Mandate. JAMA Netw Open. 2022 03 01; 5(3):e221476. Ortega AN, Chen J, Roby DH, Mortensen K, Rivera-González AC, Bustamante AV. PMID: 35258582; PMCID: PMC8905379.
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Disparities in Audio-only Telemedicine Use Among Medicare Beneficiaries During the Coronavirus Disease 2019 Pandemic. Med Care. 2021 11 01; 59(11):1014-1022. Benjenk I, Franzini L, Roby D, Chen J. PMID: 34534186; PMCID: PMC8516710.
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New Directions for Public Health Research on the Health and Health Care of Undocumented Immigrants. Am J Public Health. 2021 11; 111(11):1910-1912. Ortega AN, Bustamante AV, Roby DH. PMID: 34678052; PMCID: PMC8607342.
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The influence of socioeconomic status on outcomes of lower extremity arterial reconstruction. J Vasc Surg. 2022 01; 75(1):168-176. Hughes K, Olufajo OA, White K, Roby DH, Fryer CS, Wright JL, Sehgal NJ. PMID: 34506895.
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The Affordable Care Act and Health Care Access and Utilization Among White, Asian, and Latino Immigrants in California. Med Care. 2021 09 01; 59(9):762-767. Chu J, Ortega AN, Park S, Vargas-Bustamante A, Roby DH. PMID: 34081680.
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Ending Structural Racism in the US Health Care System to Eliminate Health Care Inequities. JAMA. 2021 08 17; 326(7):613-615. Ortega AN, Roby DH. PMID: 34402851.
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The Other US Border: Health Insurance Coverage Among Latino Immigrants In Puerto Rico. Health Aff (Millwood). 2021 07; 40(7):1117-1125. Rivera-González AC, Stimpson JP, Roby DH, Canino G, Purtle J, Bellamy SL, Ortega AN. PMID: 34228518; PMCID: PMC8359689.
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Disparities in Health Care Access and Utilization at the Intersections of Urbanicity and Sexual Identity in California. LGBT Health. 2021 04; 8(3):231-239. Akré EL, Boekeloo BO, Dyer T, Fenelon AT, Franzini L, Sehgal NJ, Roby DH. PMID: 33600724.
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Evidence From Early State Medicaid Expansions Demonstrates That Uneven State Implementation Harms Childless Young Adults. J Adolesc Health. 2020 09; 67(3):319-320. Roby DH. PMID: 32829756; PMCID: PMC7438985.
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Changes to Contraceptive Method Use at Title X Clinics Following Delaware Contraceptive Access Now, 2008-2017. Am J Public Health. 2020 08; 110(8):1214-1220. Boudreaux M, Xie L, Choi YS, Roby DH, Rendall MS. PMID: 32552027; PMCID: PMC7349443.
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The Effect of Patient-Centered Communication and Racial Concordant Care on Care Satisfaction Among U.S. Immigrants. Med Care Res Rev. 2021 08; 78(4):404-412. Chu J, Wang N, Choi YS, Roby DH. PMID: 31793385.
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Insurance Coverage and Health Care Utilization Among Asian Youth Before and After the Affordable Care Act. Acad Pediatr. 2020 07; 20(5):670-677. Park S, Roby DH, Pintor JK, Stimpson JP, Chen J, Ortega AN. PMID: 31733360.
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The Effects of the Affordable Care Act on Health Care Access and Utilization Among Asian American Subgroups. Med Care. 2019 11; 57(11):861-868. Park S, Stimpson JP, Pintor JK, Roby DH, McKenna RM, Chen J, Ortega AN. PMID: 31634267.
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Differences in Health Care Expenditures Among Non-Latino Whites and Asian Subgroups Vary Along the Distribution of the Expenditures. Med Care Res Rev. 2021 08; 78(4):432-440. Park S, Chen J, Roby DH, Ortega AN. PMID: 31524050.
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Inequities in Insurance Coverage and Well-Child Visits Improve, but Insurance Gains for White and Black Youth Reverse. Acad Pediatr. 2020 Jan - Feb; 20(1):14-15. Ortega AN, Pintor JK, Alberto CK, Roby DH. PMID: 31404709.
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Telemedicine-delivered treatment interventions for substance use disorders: A systematic review. J Subst Abuse Treat. 2019 06; 101:38-49. Lin LA, Casteel D, Shigekawa E, Weyrich MS, Roby DH, McMenamin SB. PMID: 31006553.
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Racial and Ethnic Disparities in Provider-Related Barriers to Health Care for Children in California After the ACA. Glob Pediatr Health. 2019; 6:2333794X19828356. Alberto CK, Kemmick Pintor J, McKenna RM, Roby DH, Ortega AN. PMID: 30793014; PMCID: PMC6376499.
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The Current State Of Telehealth Evidence: A Rapid Review. Health Aff (Millwood). 2018 12; 37(12):1975-1982. Shigekawa E, Fix M, Corbett G, Roby DH, Coffman J. PMID: 30633674.
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The impact of integrating medical assistants and community health workers on diabetes care management in community health centers. BMC Health Serv Res. 2018 Nov 20; 18(1):875. Rodriguez HP, Friedberg MW, Vargas-Bustamante A, Chen X, Martinez AE, Roby DH. PMID: 30458778; PMCID: PMC6247511.
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Insurance Coverage and Utilization Improve for Latino Youth but Disparities by Heritage Group Persist Following the ACA. Med Care. 2018 11; 56(11):927-933. Kemmick Pintor J, Chen J, Alcalá HE, Langellier BA, McKenna RM, Roby DH, Ortega AN. PMID: 30234767.
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Health Care Access and Physical and Behavioral Health Among Undocumented Latinos in California. Med Care. 2018 11; 56(11):919-926. Ortega AN, McKenna RM, Kemmick Pintor J, Langellier BA, Roby DH, Pourat N, Vargas Bustamante A, Wallace SP. PMID: 30216201; PMCID: PMC6226215.
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Examining EMTALA in the era of the patient protection and Affordable Care Act. AIMS Public Health. 2018; 5(4):366-377. McKenna RM, Purtle J, Nelson KL, Roby DH, Regenstein M, Ortega AN. PMID: 30631780; PMCID: PMC6322999.
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Disparities in Pediatric Provider Availability by Insurance Type After the ACA in California. Acad Pediatr. 2019 04; 19(3):325-332. Kemmick Pintor J, Alcalá HE, Roby DH, Grande DT, Alberto CK, McKenna RM, Ortega AN. PMID: 30218840.
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Insurance Type and Access to Health Care Providers and Appointments Under the Affordable Care Act. Med Care. 2018 02; 56(2):186-192. Alcalá HE, Roby DH, Grande DT, McKenna RM, Ortega AN. PMID: 29271819.
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The Affordable Care Act Attenuates Financial Strain According to Poverty Level. Inquiry. 2018 Jan-Dec; 55:46958018790164. McKenna RM, Langellier BA, Alcalá HE, Roby DH, Grande DT, Ortega AN. PMID: 30043655; PMCID: PMC6077893.
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Behavioral and mental health risk factor profiles among diverse primary care patients. Prev Med. 2018 06; 111:21-27. Glenn BA, Crespi CM, Rodriguez HP, Nonzee NJ, Phillips SM, Sheinfeld Gorin SN, Johnson SB, Fernandez ME, Estabrooks P, Kessler R, Roby DH, Heurtin-Roberts S, Rohweder CL, Ory MG, Krist AH, MOHR Study Group. PMID: 29277413; PMCID: PMC5930037.
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Insurance Coverage and Well-Child Visits Improved for Youth Under the Affordable Care Act, but Latino Youth Still Lag Behind. Acad Pediatr. 2018 Jan - Feb; 18(1):35-42. Ortega AN, McKenna RM, Chen J, Alcalá HE, Langellier BA, Roby DH. PMID: 28739534.
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The Affordable Care Act Reduces Hypertension Treatment Disparities for Mexican-heritage Latinos. Med Care. 2017 07; 55(7):654-660. McKenna RM, Alcalá HE, Lê-Scherban F, Roby DH, Ortega AN. PMID: 28614177.
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Experiences in Care According to Parental Citizenship and Language Use Among Latino Children in California. Acad Pediatr. 2018 Jan - Feb; 18(1):20-25. Ortega AN, McKenna RM, Langellier BA, Alcalá HE, Roby DH. PMID: 28065799.
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Impact of the Affordable Care Act on Health Care Access and Utilization Among Latinos. J Am Board Fam Med. 2017 01 02; 30(1):52-62. Alcalá HE, Chen J, Langellier BA, Roby DH, Ortega AN. PMID: 28062817.
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The impact of behavioral and mental health risk assessments on goal setting in primary care. Transl Behav Med. 2016 06; 6(2):212-9. Krist AH, Glasgow RE, Heurtin-Roberts S, Sabo RT, Roby DH, Gorin SN, Balasubramanian BA, Estabrooks PA, Ory MG, Glenn BA, Phillips SM, Kessler R, Johnson SB, Rohweder CL, Fernandez ME, MOHR Study Group. PMID: 27356991; PMCID: PMC4927449.
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Racial and Ethnic Disparities in Diabetes Care and Impact of Vendor-Based Disease Management Programs. Diabetes Care. 2016 May; 39(5):743-9. Meng YY, Diamant A, Jones J, Lin W, Chen X, Wu SH, Pourat N, Roby D, Kominski GF. PMID: 26965718.
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Limits on same-day billing in Medicaid hinders integration of behavioral health into the medical home model. Psychol Serv. 2016 Feb; 13(1):110-9. Roby DH, Jones EE. PMID: 26845494.
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Access to Care and Cardiovascular Disease Prevention: A Cross-Sectional Study in 2 Latino Communities. Medicine (Baltimore). 2015 Aug; 94(34):e1441. Alcalá HE, Albert SL, Roby DH, Beckerman J, Champagne P, Brookmeyer R, Prelip ML, Glik DC, Inkelas M, Garcia RE, Ortega AN. PMID: 26313803; PMCID: PMC4602927.
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Latino Population Growth and Hospital Uncompensated Care in California. Am J Public Health. 2015 Aug; 105(8):1710-7. Chen J, O'Brien MJ, Mennis J, Alos VA, Grande DT, Roby DH, Ortega AN. PMID: 26066960; PMCID: PMC4504330.
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Increased service use following Medicaid expansion is mostly temporary: evidence from California's low income health program. Policy Brief UCLA Cent Health Policy Res. 2014 Oct; (PB2014-7):1-8. Lo N, Roby DH, Padilla J, Chen X, Salce EN, Pourat N, Kominski GF. PMID: 25376061.
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Geographic clustering of diabetic lower-extremity amputations in low-income regions of California. Health Aff (Millwood). 2014 Aug; 33(8):1383-90. Stevens CD, Schriger DL, Raffetto B, Davis AC, Zingmond D, Roby DH. PMID: 25092840; PMCID: PMC4242846.
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Conducting rapid, relevant research: lessons learned from the My Own Health Report project. Am J Prev Med. 2014 Aug; 47(2):212-9. Glasgow RE, Kessler RS, Ory MG, Roby D, Gorin SS, Krist A. PMID: 24953520; PMCID: PMC4609529.
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Disparities in CD4+ T-Lymphocyte Monitoring Among Human Immunodeficiency Virus-Positive Medicaid Beneficiaries: Evidence of Differential Treatment at the Point of Care. Open Forum Infect Dis. 2014 Jun 05; 1(2):042. Davis AC, Watson G, Pourat N, Kominski GF, Roby DH. PMID: 25401120; PMCID: PMC4231484.
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Disproportionate-share hospital payment reductions may threaten the financial stability of safety-net hospitals. Health Aff (Millwood). 2014 Jun; 33(6):988-96. Neuhausen K, Davis AC, Needleman J, Brook RH, Zingmond D, Roby DH. PMID: 24889948; PMCID: PMC4242845.
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The California Health Policy Research Program - supporting policy making through evidence and responsive research. J Health Polit Policy Law. 2014 Aug; 39(4):887-900. Roby DH, Jacobs K, Kertzner AE, Kominski GF. PMID: 24842967.
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Large repayments of premium subsidies may be owed to the IRS if family income changes are not promptly reported. Health Aff (Millwood). 2013 Sep; 32(9):1538-45. Jacobs K, Graham-Squire D, Gould E, Roby D. PMID: 24019357.
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Designing a valid randomized pragmatic primary care implementation trial: the my own health report (MOHR) project. Implement Sci. 2013 Jun 25; 8:73. Krist AH, Glenn BA, Glasgow RE, Balasubramanian BA, Chambers DA, Fernandez ME, Heurtin-Roberts S, Kessler R, Ory MG, Phillips SM, Ritzwoller DP, Roby DH, Rodriguez HP, Sabo RT, Sheinfeld Gorin SN, Stange KC, MOHR Study Group. PMID: 23799943; PMCID: PMC3694031.
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Limited English proficient HMO enrollees remain vulnerable to communication barriers despite language assistance regulations. Policy Brief UCLA Cent Health Policy Res. 2013 Feb; (PB2013-1):1-8. Hadler MW, Chen X, Gonzalez E, Roby DH. PMID: 23550321.
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In ten California counties, notable progress in system integration within the safety net, although challenges remain. Health Aff (Millwood). 2012 Aug; 31(8):1717-27. Pourat N, Davis AC, Salce E, Hilberman D, Roby DH, Kominski GF. PMID: 22869649.
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Better outcomes, lower costs: palliative care program reduces stress, costs of care for children with life-threatening conditions. Policy Brief UCLA Cent Health Policy Res. 2012 Aug; (PB2012-3):1-8. Gans D, Kominski GF, Roby DH, Diamant AL, Chen X, Lin W, Hohe N. PMID: 22946141.
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Costs of smoking and policy strategies for California American Indian communities. J Cancer Educ. 2012 Apr; 27(1 Suppl):S91-105. Satter DE, Roby DH, Smith LM, Avendano KK, Kaslow J, Wallace SP. PMID: 22351428.
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Proposed regulations could limit access to affordable health coverage for workers' children and family members. Policy Brief UCLA Cent Health Policy Res. 2011 Dec; 1-11. Jacobs K, Graham-Squire D, Roby DH, Kominski GF, Kinane CM, Needleman J, Watson G, Gans D. PMID: 23599987.
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Impact of patient-centered medical home assignment on emergency room visits among uninsured patients in a county health system. Med Care Res Rev. 2010 Aug; 67(4):412-30. Roby DH, Pourat N, Pirritano MJ, Vrungos SM, Dajee H, Castillo D, Kominski GF. PMID: 20519430.
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Number of uninsured jumped to more than eight million from 2007 to 2009. Policy Brief UCLA Cent Health Policy Res. 2010 Mar; (PB2010-4):1-6. Lavarreda SA, Brown ER, Cabezas L, Roby DH. PMID: 20376990.
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Creation of safety-net-based provider networks under the California Health Care Coverage Initiative: interim findings. Policy Brief UCLA Cent Health Policy Res. 2009 Dec; (PB2009-11):1-16. Roby DH, Reifman C, Davis A, Diamant AL, Meng YY, Kominski GF, Kally Z, Pourat N. PMID: 20058401.
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African Americans in commercial HMOs more likely to delay prescription drugs and use the emergency room. Policy Brief UCLA Cent Health Policy Res. 2009 Oct; (PB2009-7):1-12. Roby DH, Nicholson GL, Kominski GF. PMID: 19842294.
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Health coverage in the safety net: how California's coverage initiative is providing a medical home to low-income uninsured adults in ten counties, interim findings. Policy Brief UCLA Cent Health Policy Res. 2009 Jun; (PB2009-6):1-12. Pourat N, Reifman C, Roby DH, Meng YY, Diamant AL, Kominski GF. PMID: 19621493.
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Return to work and degree of recovery among injured workers in California's Workers' Compensation system. J Occup Environ Med. 2008 Mar; 50(3):296-305. Kominski GF, Pourat N, Roby DH, Cameron ME. PMID: 18332779.
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Satisfaction with care and perceptions of quality among injured workers in California's Workers' Compensation system. J Occup Environ Med. 2007 Nov; 49(11):1249-56. Pourat N, Kominski G, Roby D, Cameron M. PMID: 17993929.
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Health coverage expansion in California: what can consumers afford to spend? Policy Brief UCLA Cent Health Policy Res. 2007 Sep; 1-7. UC Berkeley Labor Center, Jacobs K, Capozza K, Roby DH, Kominski GF, Brown ER. PMID: 17972402.
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Improving access through health insurance coverage and safety net expansion: a review of the literature. Policy Brief UCLA Cent Health Policy Res. 2007 Aug; (PB2007-10):1-6. Roby DH, Kominski GF, Cameron ME. PMID: 18030692.
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Physician perceptions of access to quality care in California's workers' compensation system. J Occup Environ Med. 2007 Jun; 49(6):618-25. Pourat N, Kominski G, Roby D, Cameron M. PMID: 17563604.
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Characteristics of dentists providing dental care to publicly insured patients. J Public Health Dent. 2007; 67(4):208-16. Pourat N, Roby DH, Wyn R, Marcus M. PMID: 18087991.
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Insured Californians report high satisfaction with health care. Policy Brief UCLA Cent Health Policy Res. 2006 Jun; (PB2006-2):1-4. Kiminski GF, Cameron ME, Roby DH. PMID: 16827217.
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Language barriers pose a risk for California HMO enrollees. Policy Brief UCLA Cent Health Policy Res. 2006 May; (PB2006-1):1-4. Kominski GF, Reifman C, Cameron ME, Roby DH. PMID: 16715594.
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Health centers and health insurance: complements, not alternatives. J Ambul Care Manage. 2005 Oct-Dec; 28(4):348-56. Wilensky S, Roby DH. PMID: 16172564.
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More than half of Californians in HMOs are overweight or obese. Policy Brief UCLA Cent Health Policy Res. 2005 Jul; (PB2005-7):1-7. Kominski GF, Roby DH, Mostovskaya N. PMID: 16050047.
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Cost of insuring California's uninsured. Policy Brief UCLA Cent Health Policy Res. 2005 May; (PB2005-5):1-6. Kominski GF, Roby DH, Kincheloe JR. PMID: 15934190.
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Estimating the cost of caring for California's uninsured. Policy Brief UCLA Cent Health Policy Res. 2004 May; (PB2004-2):1-4. Kominski GF, Roby DH. PMID: 15141664.
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